> full bootlog and config attached. (The crash happens reliably here - if > you cannot reproduce it then i can try any fix from you. I've removed > the 5 patches of yours for now from x86.git.)>

OK. Will beat on this some more. Unfortunately I can only test 64-bitstuff under kvm, and I'm a little bit skeptical of how solid it is,since i get sporadic random oopses even with base x86.git. But a nicesimple repeatable BUG_ON should be easy to fix regardless.